Integrated Circuits(ICs)

74HC14D Hex Inverting Schmitt Trigger IC (SOP-14)

74HC574 Octal D Flip Flop IC (SOP-20)

• Maximum input current of 1µA at 18V (full package temperature range) and 100nA at 18V (25°C)
• 5V, 10V and 15V parametric ratings
• Meets all requirements of JEDEC tentative standard JESD 13B
• Supply voltage range from 3V to 18V
• Operating temperature range -55°C to 125°C

• Full speed USB device interface, USB 2.0 compatible.
• Emulate standard UART interface, used to upgrade the original serial devices or expand additional UART via USB.
• Original UART applications are totally compatible without any modification.
• Hardware full duplex serial UART interface, integrated transmit-receive buffer, supports communication baudrates varies from 50bps to 2Mbps.
• Supports common MODEM interface signals RTS, DTR, DCD, RI, DSR and CTS.
• Provides further RS232, RS485, RS422 interface, etc. through external voltage conversion chip.
• CH340R supports IrDA specification SIR infrared communication, supports baudrates varies from 2400bps to 115200bps.
• Software compatible with CH341, customers can use driver of CH341 directly.
• Supports 5V and 3.3V power supply even supports as low as 3V.
• CH340C/N/K/E and CH340B integrate 12MHz clock, no external crystal required, CH340B also integrates EEPROM used to configure the serial number, etc.
• RoHS compliant SOP-16, SOP-8, SSOP-20 and ESSOP-10, MSOP-10 lead-free package.

HEF4017BT Decade Counter IC (SOP-16)